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/*
* Jitsi, the OpenSource Java VoIP and Instant Messaging client.
*
* Distributable under LGPL license.
* See terms of license at gnu.org.
*/
package net.java.sip.communicator.plugin.dnsconfig;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import javax.swing.*;
import javax.swing.plaf.basic.*;
import javax.swing.table.*;
import net.java.sip.communicator.impl.dns.*;
import net.java.sip.communicator.plugin.desktoputil.*;
import net.java.sip.communicator.service.dns.*;
import net.java.sip.communicator.util.*;
import org.jitsi.service.configuration.*;
import org.jitsi.service.fileaccess.*;
import org.jitsi.service.resources.*;
import org.osgi.framework.*;
/**
* Configuration of the DNSSEC validating resolver.
*
* @author Ingo Bauersachs
*/
public class DnssecPanel
extends TransparentPanel
implements ActionListener, FocusListener
{
/**
* Serial version UID.
*/
private static final long serialVersionUID = 0L;
private final static Logger logger = Logger.getLogger(DnssecPanel.class);
//UI Controls
private JComboBox cboDefault;
private JCheckBox chkEnabled;
private JCheckBox chkAbsolute;
private JTable tblDomains;
private JTextField txtNameservers;
//service references
private ResourceManagementService R;
private ConfigurationService config;
private TableModel data = new DnssecTableModel();
private final ParallelDnsPanel parallelDnsPanel;
/**
* Create a new instance of this class.
* @param parallelDnsPanel the panel configuring the parallel resolver
*/
public DnssecPanel(ParallelDnsPanel parallelDnsPanel)
{
this.parallelDnsPanel = parallelDnsPanel;
initServices();
initComponents();
loadData();
updateState();
chkAbsolute.addActionListener(this);
chkEnabled.addActionListener(this);
cboDefault.addActionListener(this);
txtNameservers.addFocusListener(this);
}
/**
* Loads all service references
*/
private void initServices()
{
BundleContext bc = DnsConfigActivator.bundleContext;
R = ServiceUtils.getService(bc, ResourceManagementService.class);
config = ServiceUtils.getService(bc, ConfigurationService.class);
}
/**
* Create the UI components
*/
private void initComponents()
{
setLayout(new BorderLayout(0, 10));
setBorder(BorderFactory.createEmptyBorder(10, 5, 0, 0));
JPanel pnlCommon = new TransparentPanel(new GridBagLayout());
pnlCommon.setAlignmentX(LEFT_ALIGNMENT);
GridBagConstraints cl = new GridBagConstraints();
GridBagConstraints cr = new GridBagConstraints();
cl.gridy = cr.gridy = 0;
cl.anchor = cr.anchor = GridBagConstraints.LINE_START;
cl.gridx = 0;
cl.fill = GridBagConstraints.HORIZONTAL;
cl.weightx = 0;
cl.insets = new Insets(0, 0, 0, 10);
cr.gridx = 1;
cr.fill = GridBagConstraints.HORIZONTAL;
cr.gridwidth = GridBagConstraints.REMAINDER;
cr.weightx = 1;
add(pnlCommon, BorderLayout.NORTH);
//always use absolute names
chkAbsolute = new SIPCommCheckBox(
R.getI18NString("plugin.dnsconfig.dnssec.chkAbsolute"));
cl.gridwidth = 2;
pnlCommon.add(chkAbsolute, cl);
cl.gridwidth = 1;
//dnssec enable/disable
cl.gridy = ++cr.gridy;
chkEnabled = new SIPCommCheckBox(
R.getI18NString("plugin.dnsconfig.dnssec.chkEnabled"));
cl.gridwidth = 2;
pnlCommon.add(chkEnabled, cl);
cl.gridwidth = 1;
cl.gridy = ++cr.gridy;
JLabel lblRestart = new JLabel(
R.getI18NString("plugin.dnsconfig.dnssec.RESTART_WARNING",
new String[]{
R.getSettingsString("service.gui.APPLICATION_NAME")
}));
lblRestart.setBorder(BorderFactory.createEmptyBorder(0, 22, 10, 0));
cl.gridwidth = GridBagConstraints.REMAINDER;
pnlCommon.add(lblRestart, cl);
cl.gridwidth = 1;
//custom nameservers
cl.gridy = ++cr.gridy;
JLabel lblNameserver = new JLabel(
R.getI18NString("plugin.dnsconfig.dnssec.lblNameservers"));
lblNameserver.setBorder(BorderFactory.createEmptyBorder(0, 22, 0, 0));
pnlCommon.add(lblNameserver, cl);
txtNameservers = new JTextField();
pnlCommon.add(txtNameservers, cr);
cl.gridy = ++cr.gridy;
JLabel lblNsHint = new JLabel(
R.getI18NString("plugin.dnsconfig.dnssec.lblNameserversHint"));
lblNsHint.setBorder(BorderFactory.createEmptyBorder(0, 0, 10, 0));
pnlCommon.add(lblNsHint, cr);
//default dnssec handling
cl.gridy = ++cr.gridy;
JLabel lblDefault = new JLabel(
R.getI18NString("plugin.dnsconfig.dnssec.lblDefault"));
lblDefault.setBorder(BorderFactory.createEmptyBorder(0, 22, 0, 0));
pnlCommon.add(lblDefault, cl);
cboDefault = new JComboBox(SecureResolveMode.values());
cboDefault.setRenderer(getResolveModeRenderer());
pnlCommon.add(cboDefault, cr);
//domain list table
tblDomains = new JTable(data);
tblDomains.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
tblDomains.setRowHeight(20);
tblDomains.getColumnModel().getColumn(1).setCellRenderer(
new DefaultTableCellRenderer()
{
/**
* Serial version UID.
*/
private static final long serialVersionUID = 0L;
@Override
protected void setValue(Object value)
{
if (value instanceof SecureResolveMode)
setText(R.getI18NString(
"net.java.sip.communicator.util.dns."
+ SecureResolveMode.class.getSimpleName()
+ "."
+ ((SecureResolveMode) value).name()));
else
super.setValue(value);
}
}
);
JComboBox cboTblModeEditor = new JComboBox(SecureResolveMode.values());
cboTblModeEditor.setRenderer(getResolveModeRenderer());
tblDomains.getColumnModel().getColumn(1).setCellEditor(
new DefaultCellEditor(cboTblModeEditor));
JScrollPane pnlScroller = new JScrollPane(tblDomains);
pnlScroller.setBorder(BorderFactory.createEmptyBorder(0, 22, 0, 0));
pnlScroller.setOpaque(false);
add(pnlScroller, BorderLayout.CENTER);
}
/**
* Reads the configured properties or their defaults into the UI controls.
*/
private void loadData()
{
cboDefault.setSelectedItem(Enum.valueOf(SecureResolveMode.class,
config.getString(
ConfigurableDnssecResolver.PNAME_DNSSEC_VALIDATION_MODE,
SecureResolveMode.WarnIfBogus.name())
)
);
chkEnabled.setSelected(config.getBoolean(
CustomResolver.PNAME_DNSSEC_RESOLVER_ENABLED,
CustomResolver.PDEFAULT_DNSSEC_RESOLVER_ENABLED
));
chkAbsolute.setSelected(config.getBoolean(
NetworkUtils.PNAME_DNS_ALWAYS_ABSOLUTE,
NetworkUtils.PDEFAULT_DNS_ALWAYS_ABSOLUTE
));
txtNameservers.setText(
config.getString(DnsUtilActivator.PNAME_DNSSEC_NAMESERVERS));
}
/**
* Action has occurred in the config form.
* @param e the action event
*/
public void actionPerformed(ActionEvent e)
{
if(e.getSource() == cboDefault)
{
if(cboDefault.getSelectedItem() == null)
return;
SecureResolveMode oldMode = Enum.valueOf(SecureResolveMode.class,
config.getString(
ConfigurableDnssecResolver.PNAME_DNSSEC_VALIDATION_MODE,
SecureResolveMode.WarnIfBogus.name())
);
config.setProperty(
ConfigurableDnssecResolver.PNAME_DNSSEC_VALIDATION_MODE,
((SecureResolveMode)cboDefault.getSelectedItem()).name());
//update all values that had the default to the new default
for(int i = 0; i < tblDomains.getModel().getRowCount(); i++)
{
SecureResolveMode m = (SecureResolveMode)data.getValueAt(i, 1);
if(m == oldMode)
data.setValueAt(cboDefault.getSelectedItem(), i, 1);
}
tblDomains.repaint();
return;
}
if(e.getSource() == chkEnabled)
{
File f;
try
{
f = DnsConfigActivator.getFileAccessService()
.getPrivatePersistentFile(".usednsjava",
FileCategory.PROFILE);
if(chkEnabled.isSelected())
{
if(!f.createNewFile() && !f.exists())
chkEnabled.setSelected(UnboundApi.isAvailable());
}
else
{
if(!f.delete() && f.exists())
chkEnabled.setSelected(true);
}
config.setProperty(
CustomResolver.PNAME_DNSSEC_RESOLVER_ENABLED,
chkEnabled.isSelected());
}
catch (Exception ex)
{
logger.error("failed to enable DNSSEC", ex);
ErrorDialog ed = new ErrorDialog(
null,
R.getI18NString("plugin.dnsconfig.dnssec.ENABLE_FAILED"),
R.getI18NString("plugin.dnsconfig.dnssec.ENABLE_FAILED_MSG"),
ex);
ed.showDialog();
}
updateState();
}
if(e.getSource() == chkAbsolute)
{
config.setProperty(
NetworkUtils.PNAME_DNS_ALWAYS_ABSOLUTE,
chkAbsolute.isSelected());
updateState();
}
}
/**
* Updates the form behavior when the resolver is enabled or disabled.
*/
private void updateState()
{
cboDefault.setEnabled(chkEnabled.isSelected());
txtNameservers.setEnabled(chkEnabled.isSelected());
tblDomains.setEnabled(chkEnabled.isSelected());
parallelDnsPanel.updateDnssecState();
}
/**
* Creates a ComboBox renderer for the resolve mode column. The non-edit
* text is based on the selected value of the row for which the renderer is
* created.
*
* @return ComboBox render for the SecureResolveMode enum.
*/
private BasicComboBoxRenderer getResolveModeRenderer()
{
return new BasicComboBoxRenderer()
{
/**
* Serial version UID.
*/
private static final long serialVersionUID = 0L;
@Override
public Component getListCellRendererComponent(JList list,
Object value, int index, boolean isSelected,
boolean cellHasFocus)
{
Component c =
super.getListCellRendererComponent(list, value, index,
isSelected, cellHasFocus);
setText(R.getI18NString("net.java.sip.communicator.util.dns."
+ SecureResolveMode.class.getSimpleName()
+ "."
+ value));
return c;
}
};
}
/**
* A text field has lost the focus in the config form.
* @param e the action event
*/
public void focusLost(FocusEvent e)
{
if(e.getSource() == txtNameservers)
{
config.setProperty(
DnsUtilActivator.PNAME_DNSSEC_NAMESERVERS,
txtNameservers.getText());
DnsUtilActivator.reloadDnsResolverConfig();
}
}
public void focusGained(FocusEvent e)
{}
}
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